●Material: Titanium Length: about 225±5mm Weight: about 19.8g/pair ●Titanium is known for its strength, lightness, corrosion and heat resistance and has been used in many fields. Titanium is a lightweight material with low thermal conductivity ●Boundless Voyage Square Chopsticks are made of pure titanium and will never rust. It has excellent corrosion resistance properties from acids and alkalis, and it is attractive to last a lifetime. Healthy and Eco-friendly ●Easy to cool,convenient to carry, great for picnics, camping and everyday use! ●We guarantee that initial defects are free of charge and are safe to use. Due to the manufacturing process, round and square chopsticks are not the same length